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2025-12-09 - 21:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Dec 09, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17704212464,6sleep00-21swapper/007:09:000
17535210899,6sleep10-21swapper/107:06:471
17495210898,7sleep30-21swapper/307:06:173
17521210797,7sleep20-21swapper/207:06:362
291102710,0sleep029113-21aten2_r5power_c10:00:110
98852680,1sleep19891-21kthreadcore09:30:211
255282670,0sleep20-21swapper/208:05:202
219592650,0sleep00-21swapper/012:05:180
62562640,1sleep16262-21kthreadcore11:25:211
308472630,0sleep30-21swapper/311:38:453
198472620,0sleep20-21swapper/207:35:192
3952590,1sleep20-21swapper/207:20:142
270522580,0sleep00-21swapper/007:15:150
266702560,1sleep30-21swapper/312:09:463
105042550,0sleep00-21swapper/010:05:210
280982470,0sleep128104-21kthreadcore11:20:211
1795199280,27cyclictest0-21swapper/111:40:331
1795199280,27cyclictest0-21swapper/109:52:121
1795599271,25cyclictest0-21swapper/212:34:452
1795599271,23cyclictest0-21swapper/210:35:142
1795199271,25cyclictest0-21swapper/107:51:121
1795199270,26cyclictest0-21swapper/110:49:471
1795199270,26cyclictest0-21swapper/110:39:381
1795199270,26cyclictest0-21swapper/109:40:581
1795199270,26cyclictest0-21swapper/109:04:261
1795199270,26cyclictest0-21swapper/108:56:121
1795199270,26cyclictest0-21swapper/108:56:121
1795199270,26cyclictest0-21swapper/108:00:171
1794399270,26cyclictest0-21swapper/010:36:470
1794399270,26cyclictest0-21swapper/007:54:030
1794399270,25cyclictest28663-21latency_hist09:25:010
1795599260,25cyclictest0-21swapper/211:42:572
1795599260,25cyclictest0-21swapper/208:13:092
1795199260,25cyclictest0-21swapper/112:02:211
1795199260,25cyclictest0-21swapper/110:55:321
1795199260,25cyclictest0-21swapper/109:15:031
1795199260,25cyclictest0-21swapper/108:18:331
1795199250,24cyclictest0-21swapper/112:36:151
1795199250,24cyclictest0-21swapper/111:37:061
1795199250,24cyclictest0-21swapper/110:43:071
1795199250,24cyclictest0-21swapper/109:35:091
1795199250,24cyclictest0-21swapper/108:11:381
1795199250,24cyclictest0-21swapper/107:47:531
17943992516,8cyclictest0-21swapper/011:09:010
1794399250,24cyclictest0-21swapper/012:23:150
2657922418,3sleep30-21swapper/307:15:023
1795599242,21cyclictest0-21swapper/210:44:032
1795599242,21cyclictest0-21swapper/209:24:172
1795599240,23cyclictest0-21swapper/209:43:552
1795599240,18cyclictest0-21swapper/209:26:392
17951992416,7cyclictest0-21swapper/111:03:061
1795199240,23cyclictest0-21swapper/112:27:051
1795199240,23cyclictest0-21swapper/111:14:291
1795199240,23cyclictest0-21swapper/109:20:491
1795199240,23cyclictest0-21swapper/107:58:151
1795199240,18cyclictest0-21swapper/111:34:021
1794399242,21cyclictest0-21swapper/011:02:210
1794399242,20cyclictest6057-21kworker/0:210:40:270
17943992415,8cyclictest0-21swapper/011:49:090
1794399240,23cyclictest0-21swapper/012:12:320
36722319,3sleep30-21swapper/309:10:093
2954522319,3sleep30-21swapper/308:38:543
2049822319,3sleep30-21swapper/308:56:443
2049822319,3sleep30-21swapper/308:56:433
17955992321,2cyclictest0-21swapper/210:52:172
17955992319,3cyclictest0-21swapper/209:46:042
17955992316,6cyclictest0-21swapper/211:19:332
1795599231,21cyclictest0-21swapper/212:18:002
1795599231,21cyclictest0-21swapper/211:10:012
1795599230,22cyclictest0-21swapper/209:39:302
17951992314,8cyclictest0-21swapper/111:53:171
1795199231,21cyclictest0-21swapper/110:32:121
1795199231,21cyclictest0-21swapper/107:23:001
1795199230,23cyclictest0-21swapper/109:48:581
1795199230,23cyclictest0-21swapper/108:30:331
1795199230,22cyclictest0-21swapper/111:47:111
1795199230,22cyclictest0-21swapper/110:14:001
1795199230,22cyclictest0-21swapper/110:08:451
1795199230,22cyclictest0-21swapper/110:04:511
1795199230,17cyclictest0-21swapper/112:31:571
1795199230,17cyclictest0-21swapper/110:22:251
1794399237,15cyclictest0-21swapper/011:25:240
1794399230,22cyclictest0-21swapper/012:26:070
1794399230,22cyclictest0-21swapper/011:19:200
1794399230,22cyclictest0-21swapper/010:31:470
1794399230,22cyclictest0-21swapper/010:20:330
1794399230,17cyclictest0-21swapper/009:33:040
47222219,2sleep30-21swapper/312:29:173
3246322218,3sleep30-21swapper/309:09:493
260522217,2sleep30-21swapper/312:13:353
1795599228,9cyclictest0-21swapper/212:10:202
1795599228,13cyclictest0-21swapper/211:07:192
17955992218,2cyclictest14885-21sadc08:55:002
1795599220,21cyclictest0-21swapper/211:36:052
1795599220,21cyclictest0-21swapper/211:27:402
1795599220,21cyclictest0-21swapper/210:56:012
1795599220,21cyclictest0-21swapper/210:31:492
1795599220,21cyclictest0-21swapper/210:21:192
1795599220,21cyclictest0-21swapper/210:03:542
1795599220,21cyclictest0-21swapper/209:54:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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